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<?php
/**
* Nextcloud - News
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Alessandro Cosentino <cosenal@gmail.com>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @copyright 2020 Sean Molenaar
*/
namespace OCA\News\Db;
use OCA\News\Utility\Time;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\Entity;
use OCP\AppFramework\Db\MultipleObjectsReturnedException;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
/**
* Class ItemMapper
*
* @package OCA\News\Db
*/
class ItemMapperV2 extends NewsMapperV2
{
const TABLE_NAME = 'news_items';
/**
* ItemMapper constructor.
*
* @param IDBConnection $db
* @param Time $time
*/
public function __construct(IDBConnection $db, Time $time)
{
parent::__construct($db, $time, Item::class);
}
/**
* Find all feeds for a user.
*
* @param string $userId The user identifier
* @param array $params Filter parameters
*
* @return Entity[]
*/
public function findAllFromUser(string $userId, array $params = []): array
{
$builder = $this->db->getQueryBuilder();
$builder->select('items.*')
->from($this->tableName, 'items')
->innerJoin('items', FeedMapperV2::TABLE_NAME, 'feeds', 'items.feed_id = feeds.id')
->where('feeds.user_id = :user_id')
->andWhere('deleted_at = 0')
->setParameter('user_id', $userId, IQueryBuilder::PARAM_STR);
foreach ($params as $key => $value) {
$builder->andWhere("${key} = :${key}")
->setParameter($key, $value);
}
return $this->findEntities($builder);
}
/**
* Find all items
*
* @return Entity[]
*/
public function findAll(): array
{
$builder = $this->db->getQueryBuilder();
$builder->addSelect('*')
->from($this->tableName)
->andWhere('deleted_at = 0');
return $this->findEntities($builder);
}
public function findFromUser(string $userId, int $id): Entity
{
$builder = $this->db->getQueryBuilder();
$builder->select('items.*')
->from($this->tableName, 'items')
->innerJoin('items', FeedMapperV2::TABLE_NAME, 'feeds', 'items.feed_id = feeds.id')
->where('feeds.user_id = :user_id')
->andWhere('items.id = :item_id')
->andWhere('deleted_at = 0')
->setParameter('user_id', $userId, IQueryBuilder::PARAM_STR)
->setParameter('item_id', $id, IQueryBuilder::PARAM_STR);
return $this->findEntity($builder);
}
/**
* Find an item by a GUID hash.
*
* @param int $feedId ID of the feed
* @param string $guidHash hash to find with
*
* @return Item
*
* @throws DoesNotExistException
* @throws MultipleObjectsReturnedException
*/
public function findByGuidHash(int $feedId, string $guidHash): Item
{
$builder = $this->db->getQueryBuilder();
$builder->addSelect('*')
->from($this->tableName)
->andWhere('feed_id = :feed_id')
->andWhere('guid_hash = :guid_hash')
->setParameter('feed_id', $feedId, IQueryBuilder::PARAM_INT)
->setParameter('guid_hash', $guidHash, IQueryBuilder::PARAM_STR);
return $this->findEntity($builder);
}
/**
* @param int $feedId
*
* @return array
*/
public function findAllForFeed(int $feedId): array
{
$builder = $this->db->getQueryBuilder();
$builder->addSelect('*')
->from($this->tableName)
->andWhere('feed_id = :feed_id')
->setParameter('feed_id', $feedId, IQueryBuilder::PARAM_INT);
return $this->findEntities($builder);
}
/**
* Delete items from feed that are over the max item threshold
*
* TODO: Implement
*
* @param int $threshold Deletion threshold
*/
public function deleteOverThreshold(int $threshold)
{
$builder = $this->db->getQueryBuilder();
$query = $builder->addSelect('COUNT(*)')
->from($this->tableName)
->groupBy('feed_id')
->where('');
return $this->db->executeQuery($query->getSQL());
}
/**
* No-op clear deleted items.
*
* @param string|null $userID
* @param int|null $oldestDelete
*/
public function purgeDeleted(?string $userID, ?int $oldestDelete): void
{
//NO-OP
}
}
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